
public class CalculatorTest {

	public static void main(String[] args){
		
		CalculatorInterface cal1 = new AddSub();
		CalculatorInterface cal2 = new testG();
		
		System.out.println("2 + 5 = "+cal1.add(2, 5));
		System.out.println("5 / 2 = "+cal2.div(5, 2));
		
		System.out.println("Hello");
	}
}
